"He who marches out of step hears another drum." ~ Ken Kesey
I don't know if it's just the inks I use with catalyst, but after-flash tack is a pain every time for me.
Most nylon jackets have some waterproofing on them, the way I use to tell how much is to get a cup and put the jacket over it and make a dip and pour water in it and see how long it took for the water to pass thru. Oh preheat those jackets....Darryl